Home / 52,044.80-78,067.38-12,601.86

Finding the Fourth Proportional to 52,044.80, 78,067.38 and 12,601.86

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Solution

The fourth proportional to 52,044.80, 78,067.38 and 12,601.86 is: 18,902.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,044.80 : 78,067.38 = 12,601.86 : x
  2. Step 2: Convert to fraction form
    52,044.80/78,067.38 = 12,601.86/x
  3. Step 3: Cross multiply
    52,044.80x = 78,067.38 × 12,601.86
  4. Step 4: Simplify right side
    52,044.80x = 983,794,193.33
  5. Step 5: Solve for x
    x = 983,794,193.33/52,044.80
  6. Step 6: Final answer
    x = 18,902.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.